"In corporation religions as in others, the heretic must be cast out not because of the probability that he is wrong but because of the possibility that he is right."

"condemning religions as a whole would be like wanting to destroy a garden because weeds have disfigured it."

"Back at the Philadelphia Worldcon , I announced the famous five-year gap: I was going to skip five years forward in the story, to allow some of the younger characters to grow older and the dragons to …"

"Nature is the difference between the soul and God."

"The moment we recognize God as supreme in power and infinitely good and loving toward all His intelligent creatures, that moment we admit the doctrine of universal and special providence."